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Add backend/gl/glx.c to build

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Still a long way to go for the glx backend.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2018-12-31 01:32:31 +00:00
parent 3e7b7bd608
commit 61f55f69a6
5 changed files with 223 additions and 281 deletions
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28
src/backend/gl/gl_common.c
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@@ -7,6 +7,8 @@
#include "backend/gl/gl_common.h"
struct gl_data {};
GLuint gl_create_shader(GLenum shader_type, const char *shader_str) {
log_trace("===\n%s\n===", shader_str);
@@ -92,8 +94,7 @@ end:
/**
* @brief Create a program from vertex and fragment shader strings.
*/
GLuint
gl_create_program_from_str(const char *vert_shader_str, const char *frag_shader_str) {
GLuint gl_create_program_from_str(const char *vert_shader_str, const char *frag_shader_str) {
GLuint vert_shader = 0;
GLuint frag_shader = 0;
GLuint prog = 0;
@@ -123,6 +124,18 @@ gl_create_program_from_str(const char *vert_shader_str, const char *frag_shader_
return prog;
}
void gl_free_prog_main(session_t *ps, gl_win_shader_t *pprogram) {
if (!pprogram)
return;
if (pprogram->prog) {
glDeleteProgram(pprogram->prog);
pprogram->prog = 0;
}
pprogram->unifm_opacity = -1;
pprogram->unifm_invert_color = -1;
pprogram->unifm_tex = -1;
}
/**
* @brief Get tightly packed RGB888 data from GL front buffer.
*
@@ -521,11 +534,14 @@ void gl_set_clip(const region_t *reg) {
gl_check_err();
}
static GLint glGetUniformLocationChecked(GLint prog, const char *name) {
GLint ret = glGetUniformLocation(prog, name);
if (ret < 0)
log_error("Failed to get location of uniform '%s'. Might be troublesome.",
GLuint glGetUniformLocationChecked(GLuint p, const char *name) {
auto ret = glGetUniformLocation(p, name);
if (ret < 0) {
log_error("Failed to get location of uniform '%s'. compton might not "
"work correctly.",
name);
return 0;
}
return ret;
}